/*
 * Copyright (C) 2009 Yury Kudryashov.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package name.kudryashov.concurrent;

public class Flag {
    private final SyncVar<Boolean> syncVar = new SyncVar<Boolean>();

    public Flag(boolean flag) {
        if(flag) {
            syncVar.set(Boolean.TRUE);
        }
    }

    public void waitForFlag() throws InterruptedException {
        syncVar.get();
    }

    public void setFlag() {
        syncVar.set(Boolean.TRUE);
    }

    public void clearFlag() {
        syncVar.unset();
    }
}